>> ADDIN file

ADDIN file format description

Many people share .addin files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .addin file can be edited, converted or printed with. On this page, we try to provide assistance for handling .addin files.

1 filename extension(s) found in our database.

.addin - Visual Studio Add-in Definition

The ADDIN development files are related to Microsoft Visual Studio. ADDIN file is a Visual Studio Add-in Definition. Microsoft Visual Studio is a software development environment built on the .NET Framework that is designed for managing projects and development work in a variety of languages.

Microsoft Visual Studio
Development files
- / -
Visual Studio Add-in Definition related extensions:
IAR System List Output Data
IAR System Preprocessed Source Data
Visual Studio Design-Time Attribute Data
Nvidia Cg Toolkit XML Data
Borland C++ 32bit Include File
Perl Dev Kit PerlApp Data

Naturally, other applications may also use the .addin file extension. Even harmful programs can create .addin files. Be especially cautious with .addin files coming from an unknown source!

Can't open a .addin file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .addin file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Zaplots CFS Console Add-on

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .addin file format, then write to us!

Please help us by rating this page below.

3/5 based on 1 reviews.
Thanks for rating!
Invalid rating.